LP38690SD-3.3

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LP38690SD-3.3

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LDO Voltage Regulators

  • 製造商德州儀器

  • 製造商部分 #LP38690SD-3.3

  • 有存貨17192

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概述

Description

The LP38690SD-3.3 is a low-dropout (LDO) linear voltage regulator designed to provide a stable 3.3V output from a higher voltage input. It is part of Texas Instruments' LP38690 series and is known for its high performance, efficiency, and reliability. The device can supply up to 1.5A of continuous output current, making it suitable for various applications requiring precise voltage regulation.
Key features include a low dropout voltage, which ensures efficient operation even with a minimal voltage difference between the input and output. It also offers low noise and excellent transient response, making it ideal for powering sensitive circuits such as microcontrollers and communication devices. The LP38690SD-3.3 includes protection features like overcurrent and thermal shutdown, safeguarding both the regulator and connected components from damage.
This regulator is housed in a small, surface-mount TO-263 package, facilitating easy integration into compact designs. Its robust performance and protection features make it a versatile choice for powering a wide range of electronic applications.

Equivalent

The LP38690SD-3.3 is a low-dropout (LDO) voltage regulator. Equivalent products with similar specifications could include:
1. Texas Instruments: TLV75833P, TLV76733.
2. Analog Devices: ADP3333-3.3.
3. Microchip Technology: MCP1825S-3302E.
4. ON Semiconductor: NCP1117ST33T3G.
5. STMicroelectronics: LD1117S33TR.
Ensure compatibility by checking the datasheets for specific parameters like output current, voltage, package type, and thermal characteristics.

Features

The LP38690SD-3.3 is a linear voltage regulator designed to provide a stable 3.3V output. Key features include:
1. Output Voltage: Fixed at 3.3V, suitable for a wide range of applications.
2. Input Voltage: Supports a range from 2.7V to 10V, which allows compatibility with various power sources.
3. Output Current: Capable of delivering up to 1.5A, making it suitable for powering microcontrollers and other components.
4. Low Dropout: Offers a low dropout voltage, which enhances efficiency and allows operation with minimal input-to-output voltage differential.
5. PSRR: Provides good Power Supply Rejection Ratio, reducing output noise and improving stability.
6. Thermal Protection: Equipped with thermal shutdown to prevent overheating.
7. Current Limiting: Includes overcurrent protection to safeguard against excessive current loads.
8. Package: Available in a TO-263 surface-mount package, which provides a compact footprint and efficient heat dissipation.
These features make the LP38690SD-3.3 an ideal choice for applications requiring reliable voltage regulation with high output current capability.

Pinout

The LP38690SD-3.3 is a low-dropout (LDO) voltage regulator manufactured by Texas Instruments. It comes in an 8-pin SOIC (Small Outline Integrated Circuit) package. The primary function of this device is to provide a stable 3.3V output from a higher voltage input, with a maximum output current capability of 1.5A.
Here is a brief overview of its pin functions:
1. IN: Input voltage supply pin.
2. OUT: Output voltage pin (3.3V).
3. GND: Ground pin.
4. ENABLE: Enable pin, which allows the regulator to be turned on or off.
5. NC (No Connect): These pins are typically not connected internally and can be left floating or connected to ground for mechanical stability.
This LDO is designed for applications requiring low noise and high power supply rejection ratio (PSRR), making it ideal for powering sensitive analog and digital components.

Manufacturer

The LP38690SD-3.3 is manufactured by Texas Instruments. Texas Instruments, commonly known as TI, is an American technology company headquartered in Dallas, Texas. It is one of the largest semiconductor companies in the world and specializes in designing and manufacturing semiconductors and integrated circuits, which are used in electronic products worldwide. TI's products are central to a variety of applications, including automotive, industrial, personal electronics, and communications equipment. The company is known for its innovation in analog and embedded processing products and has a significant presence in the global electronics industry.

Application

The LP38690SD-3.3 is a low-dropout linear voltage regulator designed for applications requiring a stable 3.3V output. Its application areas include:
1. Consumer Electronics: Provides power for microcontrollers and other digital circuits in devices like smartphones and tablets.
2. Networking Equipment: Powers components in routers, switches, and modems.
3. Industrial Automation: Used in control systems and sensors requiring precise voltage regulation.
4. Medical Devices: Delivers reliable power in portable medical equipment.
5. Automotive: Supports infotainment systems and other low-power automotive electronics.
6. IoT Devices: Ensures stable voltage for sensors and communication modules.
Its low noise and high accuracy make it suitable for sensitive applications.

Package

The LP38690SD-3.3 is a low-dropout (LDO) voltage regulator from Texas Instruments, typically available in an 8-pin SOIC (Small Outline Integrated Circuit) package. This package type is compact and suitable for surface-mount technology, making it ideal for various electronic applications that require efficient voltage regulation.

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